package cn.tedu._05weibo.controller;

import cn.tedu._05weibo.common.response.JsonResult;
import cn.tedu._05weibo.mapper.WeiboMapper;
import cn.tedu._05weibo.pojo.dto.WeiboDTO;
import cn.tedu._05weibo.pojo.entity.Weibo;
import cn.tedu._05weibo.pojo.vo.UserVO;
import cn.tedu._05weibo.pojo.vo.WeiboDetailVO;
import cn.tedu._05weibo.pojo.vo.WeiboIndexVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.hibernate.validator.constraints.Range;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;
import springfox.documentation.annotations.ApiIgnore;

import javax.servlet.http.HttpSession;
import java.util.Date;
import java.util.List;

@Validated
@Api(tags = "02.微博模块")
@Slf4j
@RestController
@RequestMapping("/v1/weibo/")
public class WeiboController {
    @Autowired
    private WeiboMapper weiboMapper;

    /**
     * 1.发布微博功能
     * @param weiboDTO 客户端传递的数据
     * @param session 会话参数
     * @return int
     */
    @ApiOperation(value = "发布微博功能")
    @PostMapping("insert")
    public JsonResult insert(@RequestBody WeiboDTO weiboDTO, @ApiIgnore HttpSession session){
        /*
            1.校验登录状态;
            2.判断处理后续业务;
         */
        log.debug("weiboDTO = " + weiboDTO);
        // 获取用户标识
        UserVO userVO = (UserVO) session.getAttribute("user");
        // 已在拦截器中进行了登录状态的校验
        Weibo weibo = new Weibo();
        BeanUtils.copyProperties(weiboDTO, weibo);
        weibo.setCreated(new Date());
        weibo.setUserId(userVO.getId());
        weiboMapper.insertWeibo(weibo);

        return JsonResult.ok();
    }

    /**
     * 2.微博首页列表
     */
    @ApiOperation(value = "微博首页列表")
    @GetMapping("selectIndex")
    public JsonResult selectIndex(){
        List<WeiboIndexVO> weiboIndexVOS = weiboMapper.selectIndex();

        return JsonResult.ok(weiboIndexVOS);
    }

    /**
     * 3.微博详情页功能
     *   http://localhost:8080/v1/weibo/selectById?id=200
     */
    @ApiOperation(value = "微博详情功能")
    @GetMapping("selectById")
    @ApiImplicitParams(value = {
            @ApiImplicitParam(name = "id", value = "微博编号", required = true, dataType = "long"),
            @ApiImplicitParam(name = "username", value = "用户名", required = true, dataType = "string")
    })
    public JsonResult selectById(@Range(min = 1, max = 500, message = "微博ID必须在1-500之间") @RequestParam Long id, String username){
        //手动抛出异常
        if (id < 0){
            throw new IllegalArgumentException("微博编号不能小于0");
        }
        log.debug("id = " + id);
        WeiboDetailVO weiboDetailVO = weiboMapper.selectById(id);

        return JsonResult.ok(weiboDetailVO);
    }
}










